SELECT 
  cscart_product_descriptions.product_id, 
  cscart_product_descriptions.short_description, 
  IF(
    cscart_product_descriptions.short_description = '' 
    OR cscart_product_descriptions.short_description IS NULL, 
    cscart_product_descriptions.full_description, 
    ''
  ) AS full_description 
FROM 
  cscart_product_descriptions 
WHERE 
  cscart_product_descriptions.product_id IN (
    95147, 95148, 95149, 95150, 95151, 95152, 
    95153, 95154, 95155, 95156, 95157, 
    95158, 95159, 95160, 95161, 95162, 
    95163, 95164, 95165, 95166, 95167, 
    95168, 95169, 95170, 95171, 95172, 
    95173, 95174, 95175, 95176, 95177, 
    95178, 95179, 95180, 95181, 95182, 
    95183, 95184, 95185, 95186, 95187, 
    95188, 95189, 95190, 95191, 95192, 
    95193, 95194, 95195, 95196, 95197, 
    95198, 95199, 95200, 95201, 95202, 
    95203, 95204, 95205, 95206, 95207, 
    95208, 95209, 95210, 95211, 95212, 
    95213, 95214, 95215, 95216, 95217, 
    95218, 95219, 95220, 95221, 95222, 
    95223, 95224, 95225, 95226, 95227, 
    95228, 95229, 95230, 95231, 95232, 
    95233, 95234, 95235, 95236, 95237, 
    95238, 95239, 95240, 95241, 95242
  ) 
  AND cscart_product_descriptions.lang_code = 'en'

Query time 0.00165

JSON explain

{
  "query_block": {
    "select_id": 1,
    "cost_info": {
      "query_cost": "43.24"
    },
    "table": {
      "table_name": "cscart_product_descriptions",
      "access_type": "range",
      "possible_keys": [
        "PRIMARY",
        "product_id"
      ],
      "key": "PRIMARY",
      "used_key_parts": [
        "product_id",
        "lang_code"
      ],
      "key_length": "9",
      "rows_examined_per_scan": 96,
      "rows_produced_per_join": 96,
      "filtered": "100.00",
      "cost_info": {
        "read_cost": "33.64",
        "eval_cost": "9.60",
        "prefix_cost": "43.24",
        "data_read_per_join": "366K"
      },
      "used_columns": [
        "product_id",
        "lang_code",
        "short_description",
        "full_description"
      ],
      "attached_condition": "((`nuie_scalesta_net`.`cscart_product_descriptions`.`product_id` in (95147,95148,95149,95150,95151,95152,95153,95154,95155,95156,95157,95158,95159,95160,95161,95162,95163,95164,95165,95166,95167,95168,95169,95170,95171,95172,95173,95174,95175,95176,95177,95178,95179,95180,95181,95182,95183,95184,95185,95186,95187,95188,95189,95190,95191,95192,95193,95194,95195,95196,95197,95198,95199,95200,95201,95202,95203,95204,95205,95206,95207,95208,95209,95210,95211,95212,95213,95214,95215,95216,95217,95218,95219,95220,95221,95222,95223,95224,95225,95226,95227,95228,95229,95230,95231,95232,95233,95234,95235,95236,95237,95238,95239,95240,95241,95242)) and (`nuie_scalesta_net`.`cscart_product_descriptions`.`lang_code` = 'en'))"
    }
  }
}

Result

product_id short_description full_description
95147
95148
95149
95150
95151
95152
95153
95154
95155
95156
95157
95158
95159
95160
95161
95162
95163
95164
95165
95166
95167
95168
95169
95170
95171
95172
95173
95174
95175
95176
95177
95178
95179
95180
95181
95182
95183
95184
95185
95186
95187
95188
95189
95190
95191
95192
95193
95194
95195
95196
95197
95198
95199
95200
95201
95202
95203
95204
95205
95206
95207
95208
95209
95210
95211
95212
95213
95214
95215
95216
95217
95218
95219
95220
95221
95222
95223
95224
95225
95226
95227
95228
95229
95230
95231
95232
95233
95234
95235
95236
95237
95238
95239
95240
95241
95242